Antique radios, Old Time Radios
4A21_Ballast
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Country:
United States of America (USA)
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| Identical to |
4A21_Ballast
= 4A-21
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| First Source
(s) |
15.Nov.1943 : Electron Tube Registration List 356
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Filament |
If 1.62 Ampere / Specified current AC/DC ~ = (Series working) |
| Description |
1.62 A mean current, 11 to 15 volts.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
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4A21_Ballast: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
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Just Qvigstad
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Collection of
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